Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of None of these Real trays required to the number of ideal trays required Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required None of these Real trays required to the number of ideal trays required Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/t pd/3t pd/2t pd/4t pd/t pd/3t pd/2t pd/4t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.1-0.2 0.55-0.85 0.35-0.75 0.4-0.6 0.1-0.2 0.55-0.85 0.35-0.75 0.4-0.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the Total hole area may be around 6 to 15% of tower cross-sectional area Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" All of these Total hole area may be around 6 to 15% of tower cross-sectional area Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations. 1.25 to 3.125 0.3 to 0.8 3.5 to 7.0 44055 1.25 to 3.125 0.3 to 0.8 3.5 to 7.0 44055 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to 40% of the I.D. of the shell 25 cms I.D. of the shell 5 cms 40% of the I.D. of the shell 25 cms I.D. of the shell 5 cms ANSWER DOWNLOAD EXAMIANS APP